Security startup Guardio nabs $80M from ION Crossover Partners

TikTok is introducing new digital wellbeing tools aimed at promoting healthier usage habits among its users. The features include an affirmation journal, a background sound generator, and badges that reward users for limiting their time on the app. These tools are designed to help users manage their screen time and reduce the negative effects of excessive social media consumption.

TikTok is introducing a new feature that allows users to control the amount of AI-generated content in their For You feed. This setting aims to enhance user experience by providing more customization options. Additionally, TikTok plans to implement advanced labeling technology to better identify AI-generated content, ensuring transparency for users. This move reflects the platform's ongoing efforts to adapt to user preferences and the growing influence of artificial intelligence in social media.

TikTok has introduced a new feature that allows users to control the amount of AI-generated content they encounter on the platform. This feature enables users to either reduce or increase the visibility of such content according to their preferences, enhancing their overall experience on the app.

Quora's Poe has introduced a new feature enabling group chats with up to 200 participants, allowing users to collaborate across more than 200 AI models. This enhancement aims to foster interactive discussions and collaboration among users on the platform. The update is part of Poe's ongoing efforts to integrate various AI capabilities into a single user-friendly application.

Snapchat has introduced a new feature called Topic Chats, allowing users to engage in public conversations on various subjects, including Formula 1 (F1). This marks a significant shift for the platform, which has primarily focused on private messaging since its inception. The company plans to implement artificial intelligence and other safety technologies to moderate these chats, ensuring a secure environment for users. This development reflects Snapchat's efforts to expand its user engagement and adapt to changing social media dynamics.

Sphere, initially an edtech marketplace that raised $4.3 million in seed funding, has pivoted its business model to focus on developing an AI tax compliance software service. The company has successfully secured $21 million in Series A funding, led by a16z. This shift comes as the founder, Nicholas Rudder, identified a recurring issue with tax compliance during his previous venture, ScholarSite.

Quora's AI platform Poe has introduced a new feature that allows users to engage in group chats with up to 200 participants across various AI models and bots. This enhancement aims to facilitate more interactive and collaborative discussions among users, leveraging the capabilities of different AI technologies available on the platform.

Google has announced plans to release Gemini 3 Deep Think to its Google AI Ultra subscribers in the upcoming weeks, contingent upon passing additional safety testing. This latest version of Gemini, which was launched on November 18, 2025, is now accessible via the Gemini app and AI search interface. The new model is expected to enhance user interactions by better understanding requests and improving overall search capabilities.